Generalized autocalibrating partially parallel acquisitions (GRAPPA)

MA Griswold, PM Jakob, RM Heidemann… - … in Medicine: An …, 2002 - Wiley Online Library
In this study, a novel partially parallel acquisition (PPA) method is presented which can be
used to accelerate image acquisition using an RF coil array for spatial encoding. This …

Improved data reconstruction method for GRAPPA

Z Wang, J Wang, JA Detre - … in Medicine: An Official Journal of …, 2005 - Wiley Online Library
This paper presents an improved data reconstruction method for generalized autocalibrating
partially parallel acquisitions (GRAPPA) using multicolumn multiline interpolation (MCMLI) …

Dynamic autocalibrated parallel imaging using temporal GRAPPA (TGRAPPA)

FA Breuer, P Kellman, MA Griswold… - … in Medicine: An …, 2005 - Wiley Online Library
Current parallel imaging techniques for accelerated imaging require a fully encoded
reference data set to estimate the spatial coil sensitivity information needed for …

Artifact and noise suppression in GRAPPA imaging using improved k‐space coil calibration and variable density sampling

J Park, Q Zhang, V Jellus… - Magnetic Resonance in …, 2005 - Wiley Online Library
A parallel imaging technique, GRAPPA (GeneRalized Auto‐calibrating Partially Parallel
Acquisitions), has been used to improve temporal or spatial resolution. Coil calibration in …

3Parallel magnetic resonance imaging with adaptive radius in k‐space (PARS): Constrained image reconstruction using k‐space locality in radiofrequency coil …

EN Yeh, CA McKenzie, MA Ohliger… - … in Medicine: An …, 2005 - Wiley Online Library
A parallel image reconstruction algorithm is presented that exploits the k‐space locality in
radiofrequency (RF) coil encoded data. In RF coil encoding, information relevant to …

A generalized approach to parallel magnetic resonance imaging

DK Sodickson, CA McKenzie - Medical physics, 2001 - Wiley Online Library
Parallel magnetic resonance (MR) imaging uses spatial encoding from multiple
radiofrequency detector coils to supplement the encoding supplied by magnetic field …

Field‐of‐view limitations in parallel imaging

MA Griswold, S Kannengiesser… - … in Medicine: An …, 2004 - Wiley Online Library
Parallel imaging is one of the most promising developments in recent years for the
acceleration of MR acquisitions. One area of practical importance where different parallel …

Direct parallel image reconstructions for spiral trajectories using GRAPPA

RM Heidemann, MA Griswold… - … in Medicine: An …, 2006 - Wiley Online Library
The use of spiral trajectories is an efficient way to cover a desired k‐space partition in
magnetic resonance imaging (MRI). Compared to conventional Cartesian k‐space …

2D‐GRAPPA‐operator for faster 3D parallel MRI

M Blaimer, FA Breuer, M Mueller… - … in Medicine: An …, 2006 - Wiley Online Library
When using parallel MRI (pMRI) methods in combination with three‐dimensional (3D)
imaging, it is beneficial to subsample the k‐space along both phase‐encoding directions …

General formulation for quantitative G‐factor calculation in GRAPPA reconstructions

FA Breuer, SAR Kannengiesser… - … in Medicine: An …, 2009 - Wiley Online Library
In this work a theoretical description for practical quantitative estimation of the noise
enhancement in generalized autocalibrating partially parallel acquisitions (GRAPPA) …